Devastating images show the horrifying aftermath from the on-going war in Syria

The horrific deaths and injuries in Douma point to a chemical attack which must be fully investigated by the UN and those responsible held to account. The need to restart real negotiations for peace and a political settlement in Syria could not be more urgent.

She has been in contact with President Trump and President Emmanuel Macron to discuss what they should do to take action.

She added: "We will be working with our closest allies on how we can ensure that those who are responsible are held to account and how we can prevent and deter the humanitarian catastrophe that comes from the use of chemical weapons in the future.

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Assad has been blamed for the suspected chemical attack in Syria

The SNP has called for action against the Syria government.

On Sunday night, Mr Corbyn tweeted: "The horrific deaths and injuries in Douma point to a chemical attack which must be fully investigated by the UN and those responsible held to account. The need to restart real negotiations for peace and a political settlement in Syria could not be more urgent."

Medical sources say dozens of people were killed on Saturday during the suspected chemical attack on Douma, in the Eastern Ghouta region.